The product is made of 4 layers construction. Plump duck down, comfortable fabric, stylish design. There is recycled environmental technology in fabric, which conforms to the development. Filling is 400g 80/20 duck down for size M. This down coat will give warm feel, when you wear it in cold winter. It is designed with loose-fitting, it suits any body shape. There is thumb hole on the sleeve storm cuff, which can keep hands warm.